3.33  mouse-event%

Superclass: event%

A mouse-event% object encapsulates a mouse event. Mouse events are primarily processed by on-subwindow-event in window<%> and on-event in canvas<%>.

See also Mouse and Keyboard Events.

• (instantiate mouse-event% () (event-type _) [(left-down _)] [(middle-down _)] [(right-down _)] [(x _)] [(y _)] [(shift-down _)] [(control-down _)] [(meta-down _)] [(alt-down _)] [(time-stamp _)]) -> mouse-event% object
     event-type : symbol in '(enter leave left-down left-up middle-down middle-up right-down right-up motion)
   left-down = #f : boolean
     middle-down = #f : boolean
     right-down = #f : boolean
     x = 0 : exact integer
     y = 0 : exact integer
     shift-down = #f : boolean
     control-down = #f : boolean
     meta-down = #f : boolean
     alt-down = #f : boolean
     time-stamp = 0 : exact integer

  Creates a mouse event for a particular type of event. The event types are:

  • 'enter -- mouse pointer entered the window

  • 'leave -- mouse pointer left the window

  • 'left-down -- left mouse button pressed

  • 'left-up -- left mouse button released

  • 'middle-down -- middle mouse button pressed

  • 'middle-up -- middle mouse button released

  • 'right-down -- right mouse button pressed (Mac OS: click with control key pressed)

  • 'right-up -- right mouse button released (Mac OS: release with control key pressed)

  • 'motion -- mouse moved, with or without button(s) pressed

  See the corresponding get- and set- methods for information about left-down, middle-down, right-down, x, y, shift-down, control-down, meta-down, alt-down, and time-stamp.

  
  

Methods
    button-changed?
    button-down?
    button-up?
    dragging?
    entering?
    get-alt-down
    get-control-down
    get-event-type
    get-left-down
    get-meta-down
    get-middle-down
    get-right-down
    get-shift-down
    get-x
    get-y
    leaving?
    moving?
    set-alt-down
    set-control-down
    set-event-type
    set-left-down
    set-meta-down
    set-middle-down
    set-right-down
    set-shift-down
    set-x
    set-y

All Methods
    button-changed? from mouse-event%
    button-down? from mouse-event%
    button-up? from mouse-event%
    dragging? from mouse-event%
    entering? from mouse-event%
    get-alt-down from mouse-event%
    get-control-down from mouse-event%
    get-event-type from mouse-event%
    get-left-down from mouse-event%
    get-meta-down from mouse-event%
    get-middle-down from mouse-event%
    get-right-down from mouse-event%
    get-shift-down from mouse-event%
    get-time-stamp from event%
    get-x from mouse-event%
    get-y from mouse-event%
    leaving? from mouse-event%
    moving? from mouse-event%
    set-alt-down from mouse-event%
    set-control-down from mouse-event%
    set-event-type from mouse-event%
    set-left-down from mouse-event%
    set-meta-down from mouse-event%
    set-middle-down from mouse-event%
    set-right-down from mouse-event%
    set-shift-down from mouse-event%
    set-time-stamp from event%
    set-x from mouse-event%
    set-y from mouse-event%